/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

// Currently not used
class LibStringKey{
  final String scheme; // It seems there are only two types: dart and package
  final String path;

  int? _hashCode;

  LibStringKey(this.scheme, this.path);

  @override
  bool operator ==(Object other) =>
      identical(this, other) ||
          other is LibStringKey &&
              runtimeType == other.runtimeType &&
              scheme == other.scheme &&
              path == other.path;

  @override
  int get hashCode {
    if (_hashCode != null) return _hashCode!;

    int len1 = path.length;
    int letter1 = scheme.isNotEmpty ? scheme.codeUnitAt(0) : 32;

    if (len1 == 0) {
      _hashCode = letter1;
      return _hashCode!;
    }
    return letter1 * 17 + path.hashCode;
  }
}
